TY

Toyotaka Yamada

OC Olympus Optical Co.: 4 patents #789 of 2,334Top 35%
Overall (All Time): #1,066,508 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4391521 Photometer having asymmetrical aperture and with compensation for direction of incidence Toshihiro Imai 1983-07-05
4363543 Camera Fujio Enomoto 1982-12-14
4303323 Focus correcting device for use in a rangefinder camera Toshihiro Imai 1981-12-01
4247028 Suspension strap fastener for camera Yoshihisa Maitani 1981-01-27
4240735 Protective cover for taking lens of camera Yoshihisa Maitani 1980-12-23